freebsd-dev/sys/arm/xscale/i8134x/uart_bus_i81342.c
Justin Hibbits c47476d7e6 Migrate many bus_alloc_resource() calls to bus_alloc_resource_anywhere().
Most calls to bus_alloc_resource() use "anywhere" as the range, with a given
count.  Migrate these to use the new bus_alloc_resource_anywhere() API.

Reviewed by:	jhb
Differential Revision:	https://reviews.freebsd.org/D5370
2016-02-27 03:38:01 +00:00

93 lines
3.0 KiB
C

/*-
* Copyright (c) 2004 Olivier Houchard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/pci/pcivar.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
#include <dev/uart/uart_cpu.h>
#include <dev/ic/ns16550.h>
#include "uart_if.h"
static int uart_i81342_probe(device_t dev);
static device_method_t uart_i81342_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uart_i81342_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{ 0, 0 }
};
static driver_t uart_i81342_driver = {
uart_driver_name,
uart_i81342_methods,
sizeof(struct uart_softc),
};
extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
static int
uart_i81342_probe(device_t dev)
{
struct uart_softc *sc;
int err;
sc = device_get_softc(dev);
sc->sc_class = &uart_ns8250_class;
if (device_get_unit(dev) == 0) {
sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
}
sc->sc_rres = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
&sc->sc_rrid, uart_getrange(sc->sc_class), RF_ACTIVE);
sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);
sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);
bus_space_write_4(sc->sc_bas.bst, sc->sc_bas.bsh, REG_IER << 2,
0x40 | 0x10);
bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);
err = uart_bus_probe(dev, 2, 33334000, 0, device_get_unit(dev));
sc->sc_rxfifosz = sc->sc_txfifosz = 1;
return (err);
}
DRIVER_MODULE(uart, obio, uart_i81342_driver, uart_devclass, 0, 0);